The following table provides summary statistics for permanent job vacancies advertised in Cambridge with a requirement for Open Source skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Open Source over the 3 months to 23 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
Open Source
Cambridgeshire / Cambridge
Rank 64 77 85
Rank change year-on-year +13 +8  
Permanent jobs citing Open Source 42 38 30
As % of all permanent IT jobs advertised in Cambridge 3.50% 2.58% 2.09%
As % of the Processes & Methodologies category 3.83% 2.86% 2.48%
Number of salaries quoted 26 33 26
Median salary £38,750 £45,000 £45,750
Median salary % change year-on-year -13.88% -1.63%  
90% offered a salary of more than £30,000 £35,791 £38,282
10% offered a salary of more than £57,500 £62,000 £61,250
UK excluding London median salary £45,000 £45,000 £45,000

Open Source is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Cambridge with a requirement for process and methodology skills.

Process & Methodology Skills
Cambridge
Permanent job vacancies with a requirement for process and methodology skills 1098 1330 1210
As % of all permanent IT job vacancies advertised in Cambridge 91.42% 90.41% 84.14%
Number of salaries quoted 822 1025 978
Median salary £46,000 £43,821 £45,000
Median salary % change year-on-year +4.97% -2.62%  
90% offered a salary of more than £30,000 £30,000 £30,000
10% offered a salary of more than £70,000 £57,500 £62,500
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

Open Source
Job Vacancy Trend in Cambridge

The job posting trend of jobs advertised in Cambridge citing Open Source as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Open Source in Cambridge

Open Source
Salary Trend in Cambridge

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Open Source in Cambridge.

Salary trend for Open Source in Cambridge

Open Source
Salary Histogram in Cambridge

The salary distribution of IT jobs citing Open Source in Cambridge over the 3 months to 23 March 2017.

Salary histogram for Open Source in Cambridge

Open Source
Top 30 Related IT Skills in Cambridge

For the 6 months to 23 March 2017, IT jobs citing Open Source also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Cambridge region with a requirement for Open Source.

1 38 (56.72%) Python
2 32 (47.76%) Agile Software Development
3 25 (37.31%) Software Engineering
3 25 (37.31%) Degree
4 24 (35.82%) C#
5 22 (32.84%) Java
6 20 (29.85%) Computer Science
6 20 (29.85%) Continuous Integration
7 19 (28.36%) TDD
8 18 (26.87%) C++
8 18 (26.87%) Visual Studio
8 18 (26.87%) GitHub
9 16 (23.88%) Microsoft
10 15 (22.39%) JavaScript
10 15 (22.39%) ReSharper
10 15 (22.39%) Ruby
10 15 (22.39%) NCrunch
10 15 (22.39%) TeamCity
10 15 (22.39%) RedGate
11 14 (20.90%) Git (software)
12 13 (19.40%) BDD
13 12 (17.91%) User Experience
13 12 (17.91%) HTML
14 11 (16.42%) C
14 11 (16.42%) MS Excel
14 11 (16.42%) OO
14 11 (16.42%) Continuous Delivery
15 10 (14.93%) Windows
15 10 (14.93%) Linux
15 10 (14.93%) CSS

Open Source
Top Related IT Skills in Cambridge by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 3 (4.48%) Elasticsearch
1 3 (4.48%) nginx
2 2 (2.99%) Drupal
3 1 (1.49%) SAS
Applications
1 11 (16.42%) MS Excel
2 1 (1.49%) MS Office
Cloud Services
1 18 (26.87%) GitHub
2 9 (13.43%) Amazon AWS
3 6 (8.96%) Cloud Computing
4 3 (4.48%) Loggly
5 2 (2.99%) Google Play
6 1 (1.49%) IaaS
6 1 (1.49%) Office 365
6 1 (1.49%) PaaS
6 1 (1.49%) SaaS
Communications & Networking
1 10 (14.93%) HTTP
2 5 (7.46%) Software-Defined Networking
3 2 (2.99%) Ethernet
3 2 (2.99%) TCP/IP
4 1 (1.49%) Fibre Channel
4 1 (1.49%) Skype
4 1 (1.49%) Wi-Fi
4 1 (1.49%) Wireless
Database & Business Intelligence
1 5 (7.46%) PostgreSQL
2 4 (5.97%) MySQL
3 3 (4.48%) InfluxDB
3 3 (4.48%) Redis
3 3 (4.48%) SQL Server
4 2 (2.99%) MongoDB
4 2 (2.99%) NoSQL
5 1 (1.49%) Big Data
5 1 (1.49%) Data Warehouse
5 1 (1.49%) GIS
Development Applications
1 18 (26.87%) Visual Studio
2 15 (22.39%) NCrunch
2 15 (22.39%) ReSharper
2 15 (22.39%) TeamCity
3 14 (20.90%) Git (software)
4 8 (11.94%) Selenium
5 4 (5.97%) JIRA
5 4 (5.97%) Subversion
6 3 (4.48%) AppVeyor
6 3 (4.48%) Jenkins
6 3 (4.48%) NUnit
6 3 (4.48%) PHPUnit
6 3 (4.48%) RSpec
6 3 (4.48%) Vagrant
6 3 (4.48%) WebDriver
7 2 (2.99%) Android Studio
7 2 (2.99%) Gradle
7 2 (2.99%) JBehave
7 2 (2.99%) Mockito
7 2 (2.99%) Ranorex
General
1 8 (11.94%) Finance
2 5 (7.46%) Law
2 5 (7.46%) Pharmaceutical
3 4 (5.97%) Games
3 4 (5.97%) Publishing
4 3 (4.48%) Telecoms
5 2 (2.99%) Banking
6 1 (1.49%) Legal
Job Titles
1 25 (37.31%) Developer
2 23 (34.33%) Software Engineer
3 9 (13.43%) C++ Developer
4 7 (10.45%) Development Engineer
4 7 (10.45%) Software Developer
5 5 (7.46%) C++ Software Developer
5 5 (7.46%) C++ Software Engineer
5 5 (7.46%) Developer/Software Engineer
5 5 (7.46%) Senior Developer
6 4 (5.97%) Architect
6 4 (5.97%) AWS Architect
6 4 (5.97%) Database Developer
6 4 (5.97%) Senior Architect
6 4 (5.97%) Senior Solutions Architect
6 4 (5.97%) Software Development Engineer
6 4 (5.97%) Solutions Architect
7 3 (4.48%) Analyst
7 3 (4.48%) Android Developer
7 3 (4.48%) Development Manager
7 3 (4.48%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 12 (17.91%) HTML
2 10 (14.93%) CSS
3 8 (11.94%) Web Services
4 6 (8.96%) Ruby on Rails
5 5 (7.46%) Catalyst
6 4 (5.97%) .NET
6 4 (5.97%) Django
7 3 (4.48%) Behat
7 3 (4.48%) Lucene
7 3 (4.48%) pytest
8 2 (2.99%) Ajax
8 2 (2.99%) J2SE
8 2 (2.99%) jQuery
8 2 (2.99%) JSON
8 2 (2.99%) Node.js
8 2 (2.99%) Symfony
8 2 (2.99%) XML
9 1 (1.49%) J2EE
9 1 (1.49%) JSP
9 1 (1.49%) MFC
Miscellaneous
1 20 (29.85%) Computer Science
2 12 (17.91%) User Experience
3 6 (8.96%) Mobile App
4 4 (5.97%) Algorithms
4 4 (5.97%) N-Tier
5 3 (4.48%) Blog
5 3 (4.48%) Device Driver
5 3 (4.48%) iPad
5 3 (4.48%) Life Science
6 2 (2.99%) Analytical Skills
6 2 (2.99%) Fintech
6 2 (2.99%) iPhone
7 1 (1.49%) Blackberry
7 1 (1.49%) Data Centre
7 1 (1.49%) Embedded Systems
Operating Systems
1 10 (14.93%) Linux
1 10 (14.93%) Windows
2 7 (10.45%) Android
3 6 (8.96%) Unix
4 2 (2.99%) Apple iOS
5 1 (1.49%) Mac OS X
5 1 (1.49%) Windows Server
Processes & Methodologies
1 32 (47.76%) Agile Software Development
2 25 (37.31%) Software Engineering
3 20 (29.85%) Continuous Integration
4 19 (28.36%) TDD
5 13 (19.40%) BDD
6 11 (16.42%) Continuous Delivery
6 11 (16.42%) OO
7 9 (13.43%) Open Source Development
8 8 (11.94%) Automated Testing
9 7 (10.45%) Line Management
9 7 (10.45%) Refactoring
9 7 (10.45%) SDLC
10 6 (8.96%) Presales
10 6 (8.96%) Prototyping
11 5 (7.46%) DevOps
11 5 (7.46%) ITIL
11 5 (7.46%) Mathematics
11 5 (7.46%) MVC
11 5 (7.46%) People Management
11 5 (7.46%) Web Development
Programming Languages
1 38 (56.72%) Python
2 24 (35.82%) C#
3 22 (32.84%) Java
4 18 (26.87%) C++
5 15 (22.39%) JavaScript
5 15 (22.39%) Ruby
6 11 (16.42%) C
7 10 (14.93%) SQL
8 9 (13.43%) PHP
9 5 (7.46%) Perl
10 1 (1.49%) F#
10 1 (1.49%) Haskell
10 1 (1.49%) ML
10 1 (1.49%) OCaml
Qualifications
1 25 (37.31%) Degree
2 2 (2.99%) ISTQB
3 1 (1.49%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 3 (4.48%) QA
System Software
1 5 (7.46%) Docker
2 2 (2.99%) Virtual Machines
3 1 (1.49%) Active Directory
3 1 (1.49%) GFS2
3 1 (1.49%) Hyper-V
3 1 (1.49%) NFS
3 1 (1.49%) VMware Infrastructure
Systems Management
1 3 (4.48%) Grafana
2 1 (1.49%) SCCM
Vendors
1 16 (23.88%) Microsoft
2 15 (22.39%) RedGate
3 5 (7.46%) Brocade
4 3 (4.48%) Google
4 3 (4.48%) SaltStack
5 2 (2.99%) New Relic
6 1 (1.49%) Apple
6 1 (1.49%) Cognizant
6 1 (1.49%) Dell
6 1 (1.49%) Facebook
6 1 (1.49%) Salesforce.com
6 1 (1.49%) Talend
6 1 (1.49%) VMware
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